The Plant Pathology Journal 2006;22(3):235-238.
Published online October 1, 2006.
Chrysanthemum stunt viroid Induces the Accumulation of Small RNAsAssociated with RNA Silencing in Infected Chrysanthemum
Bong Nam Chung, Gug Seoun Choi, Ki Taek Kim
Abstract
Chrysanthemum stunt viroid (CSVd) induced systemic symptoms on chrysanthemum. We detected small RNAs of approximately 22 nucleotides with sequence specificity to CSVd in chrysanthemum infected with CSVd: an indication of the presence of RNA silencing. Regardless of symptom differences associated with CSVd, the small RNAs distributed similarly in amount. Small RNAs were detected with partial-length or full-length probes, indicating that they are not restricted to specific viroid regions but likely representing most of the viroid molecule.
Key Words: Chrysanthemum stunt viroid, small RNAs
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